BUTTERHEAD LETTUCE SEEDS

Lactuca sativa

Lettuce is a cool weather crop that is be planted in the spring as early the ground can be worked and then sown at two week intervals through late spring or early summer depending on the climate. Fall crops can be begun in mid-summer in cool areas - or late summer in hot climates. Loose-leaf varieties are thinned to 4 inches apart, romaine and head lettuce to 1-foot apart.